Need some high-speed serial ports? The high performance low maintenance PCI4S422DB9 lets you quickly and easily add four high-speed RS422/RS485 Serial interface ports to your system. This versatile card features on-card jumpers that let you configure each port as full or half-duplex depending on your needs.

California Proposition 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling and Consult with your physician before using this product.